Compositions comprising inorganic UV absorbers
US6790273B2 · kind B2 · utility
2Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2003 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Apr 7, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to compositions containing inorganic UV absorbers and to coatings produced therefrom for the long-term protection of materials, especially plastics, against photochemical degradation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.